From 2bb1e93d92b9524dae4f6aedb2a7b4f8c0e513f7 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 20 Oct 2015 14:40:17 +0000
Subject: [PATCH] test -t

* aclocal.m4, tool/ifchange: make the fd explict.
  [ruby-dev:49311] [Bug #11608]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52204 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 aclocal.m4    | 2 +-
 tool/ifchange | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/aclocal.m4 b/aclocal.m4
index c1bdcbc93c..faf6beb7d4 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -2,7 +2,7 @@
 
 AC_DEFUN([_COLORIZE_RESULT_PREPARE], [
     msg_checking= msg_result_yes= msg_result_no= msg_result_other= msg_reset=
-    AS_IF([test -t], [
+    AS_IF([test -t 1], [
 	msg_begin="`tput smso 2>/dev/null`"
     	AS_CASE(["$msg_begin"], ['@<:@'*m],
 	    [msg_begin="`echo "$msg_begin" | sed ['s/[0-9]*m$//']`"
diff --git a/tool/ifchange b/tool/ifchange
index 6a1923c167..837dd4dd16 100755
--- a/tool/ifchange
+++ b/tool/ifchange
@@ -38,7 +38,7 @@ if [ "$temp" = - ]; then
 fi
 
 msg_begin= msg_unchanged= msg_updated= msg_reset=
-if [ -t ]; then
+if [ -t 1 ]; then
     msg_begin="`tput smso 2>/dev/null`"
     case "$msg_begin" in
 	""*m)